Index: /trunk/src/VBox/Additions/common/VBoxGuest/VBoxGuestInternal.h
===================================================================
--- /trunk/src/VBox/Additions/common/VBoxGuest/VBoxGuestInternal.h	(revision 40368)
+++ /trunk/src/VBox/Additions/common/VBoxGuest/VBoxGuestInternal.h	(revision 40369)
@@ -173,4 +173,6 @@
 #ifdef ___VBoxGuest_win_h
         VBOXGUESTDEVEXTWIN          s;
+#else
+        uint32_t                    dummy;
 #endif
     } win;